Fluorescence line narrowing in erbium-doped silica fibers

The properties of erbium-doped silica fiber amplifier are significantly modified by the addition of only few percent of aluminum. For example, at room temperature, the 1.5 μm emission line width is multiplied by a factor two. In order to improve our knowledge on rare-earth transition broadening mech...

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Bibliographic Details
Published in:Journal of luminescence 1994-04, Vol.60-61, p.89-92
Main Authors: Jurdyc, A.M., Jacquier, B., Gaˆcon, J.C., Bayon, J.F., Delevaque, E.
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Other solid inorganic materials
Photoluminescence
Physics
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Summary:The properties of erbium-doped silica fiber amplifier are significantly modified by the addition of only few percent of aluminum. For example, at room temperature, the 1.5 μm emission line width is multiplied by a factor two. In order to improve our knowledge on rare-earth transition broadening mechanism, primarily in fibers, nonresonant fluorescence line narrowing measurements were performed on erbium-doped silica fibers codoped with either aluminum or germanium, at low temperatures. An important variation in site distribution and Stark splitting was found depending on the matrix.
ISSN:0022-2313
1872-7883
DOI:10.1016/0022-2313(94)90101-5